hole in tubing......balloon rupture.....bad connections.......major equiptment failure........leaking tank/cannister or bad seal/connection to cannister.....can you hear it? if so it is an external problem if not act fast it may be a balloon rupture

Jul 8, '10

Datascope has an 800 number on their equipment. You can hook-up a phone line and they see what you see and can help you trouble shoot.